Trapezoid Area

Trapezoid Area

AV-07
ASPCSPFoundational

Formula
A = ½ × (b₁ + b₂) × h
When to Use

Calculate area of trapezoidal cross-sections in trenching and earthwork.

Symbol Legend
SymbolMeaningUnitNote
AAreaft² or m²
b₁Length of parallel side 1ft or m
b₂Length of parallel side 2ft or m
hHeight between parallel sidesft or m

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